Transforming equation systems into matrix form is fairly simple:
each column represents a variable, and each line represents an equation.
So in the first column, the NUMBERS MULTIPLYING by the X variables are put, in the second one the ones multiplying by Y, etc. The constants go after the vertical line, the last column
so we have:
So in a matrix, it will be the one on the picture
For the first one, you're answer would be AC. since C is also a right angle, and angle A is hypnotenuse to C
Hello,
the greatest zero is 6.
x²-5x-6=x²+x-6x-6=x(x+1)-6(x+1)=(x+1)(x-6)
roots are -1 and 6.
Well, the house is increasing by 10% each year, so whatever the current price is, the new price is THAT plus 10%, well, since THAT is 100%, shouldn't that be 100% + 10%, or 110%?
1.1 is the decimal format, but you can simply multiply it by 100 to get the percentage, 1.1 * 100 = 110%